API Key Generator
Generate secure API keys and tokens online for free. Customize format and length.
À propos de cet outil
Generate cryptographically secure API keys in various formats — hex, base64, alphanumeric. Perfect for seeding application secrets and API credentials.
Comment utiliser
Choose Format
Select key format and length.
Generate
Click Generate to create a secure API key.
Copy
Copy the key to use in your application.
Cas d'utilisation
App Secrets
Generate API keys for application authentication and service integrations.
Foire aux questions
Are keys cryptographically secure?
Yes. Keys are generated using crypto.getRandomValues() — the same API browsers use for TLS.